Answers

2014-07-18T19:46:40+05:30
Density is raitio of mass to volume        density= mass÷volume
                 example, when kerosene and water are mixed, you will find that kerosene will form the upper layer because it has less density than water.          
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2014-07-19T09:31:57+05:30

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Density is defined as mass per unit volume of a substance.
Formula:
Density =  \frac{Mass}{Volume}

Example:
i) The density of water at 4°C is 1g/cm³ ; this means at 4°C the mass of 1cm³ of water is 1 g.
ii) The density of Mercury is 13.6×10³ kg/m³ ; this means the mass of 1m³ of mercury is 13.6×10³ kg.
This shows Mercury is denser than water.
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